There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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People with blue eyes are better able to see in the dark.
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Approximately 365 million people in the world have computers while half of the world's 6.5 billion population has never seen or used a telephone.
75
Men fall in love faster than women do.
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The average single man is one inch shorter than the average married man.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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